Hi Abhidarshi,
I second all what pramila said. When you go through a basis consultant for installation, see to it that your laptop has all the required configuration for IDES installation. I once installed IDES using VMWARE with a little bit less backup storage for data after which the system, it crashed. But after using external drive wtith appropriate configuration it worked on my laptop. So its always better to get your laptop config checked and go for IDES installation, and it will work great.